Vrouter is using MPLSoUDP. Most probably TCP dump does not understand this encapsulation.
Regards -Harshad > On May 29, 2016, at 11:56 AM, kevin parrikar <[email protected]> > wrote: > > hello all > I am new to contrail ,worked on open vswitch and NSX implementation and > trying contrail to understand it more deeply for a different product. > > Using contrail 2.20 with MPLS over UDP. > > 1. In tcpdump i dont see any MPLS labels instead i see UDP communication > between compute nodes using ephemeral ports.for ping between vms. > > 16:16:14.262402 IP 192.168.2.5.64681 > 192.168.2.6.51234: UDP, length 102 > 0x0000: 4500 0082 b5ca 0000 4011 3f45 c0a8 0205 > 0x0010: c0a8 0206 fca9 c822 006e 0000 0001 5140 > 0x0020: 0205 fdd1 e8c9 024e 9373 73f9 0800 4500 > 0x0030: 0054 b5ca 0000 4001 68b7 ac10 0203 ac10 > 0x0040: 0204 0000 c0d2 2101 7956 3116 73bf 0000 > 0x0050: 0000 0000 0000 0000 0000 0000 0000 0000 > 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000 > 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000 > 0x0080: 0000 > > Can some one tell me how can Lables as wells as tenant VM packets be seen.In > GRE i was able to see this but not in MPLS over GRE. > > > > > Regards, > Kevin > > _______________________________________________ > Users mailing list > [email protected] > http://lists.opencontrail.org/mailman/listinfo/users_lists.opencontrail.org _______________________________________________ Dev mailing list [email protected] http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org
